ʲô5Gʲôʱ5G
2017-05-17 22:50йֻԭ
5Gǵƶ绰ƶͨżΪ4GȻݽ5GδȷҪѾȷϣδ3꿪ʼҵӦáйҲƻ2018꿪ʼʵ顣
5G10GbpsֵʡС1msʱӡ5GصԴﵽ4G100ٶȡ3GPP5GeMBBmMTCURLLCeMBB3D/ƵȴƶҵmMTCģҵURLLC˼ʻҵԶҪʱӡ߿ɿӵҵ
ݽ3GWCDMAcdma2000TD-SCDMAʵӦУҪWCDMA4GֻһLTEźŴΪFDDFrequency Division DuplexingƵ˫ԳƵĶŵһ´ϢһϴϢTDDTime Division Duplexingʱ˫ͽźͬһƵŵIJͬʱ϶неģ˴֮һı֤ʱԷ롣ĿǰƶTDDûӪ̴ģTDDTDDFDD3Gʱľ蹵ȫͬ
5GΪƵļ뷽ȷΪeMBB(ǿƶ)Ŀŵ뷽棬5GôȿӦá
5GƵΣڵƵѾ꣬Ŀǰ2GhzҵƵߣôվܶȻߣڷdzкĸɵġ
ô4G5Gʲôأ4Gٶȿ100M-600MҲ12.5MB/s-50MB/sǴʵʹÿһ㳣õĸֵҲǼMB/sٵЧԼͬ20Mһ˿ܼĻ᳡ʵʺõҲǼKB/sٶȡ5GٶȽƣʹ˿ܼĵҲܴﵽMB/sЧҲǸƵ߲š
ǵڣƵʵδܵ2G/4G/5GرĿǰ4GظʹźŲõĸǵĵƵ4Gкܴķչռ䡣Թδҹ5GãȽ5GڴгĿǰĺҵ㳡Ȳ𣬴δɱ½Ѱиǣ㷺ʱά4Gǡ
ĵַ:http://www.cnonline.org/2017/article/12149.html
5G10GbpsֵʡС1msʱӡ5GصԴﵽ4G100ٶȡ3GPP5GeMBBmMTCURLLCeMBB3D/ƵȴƶҵmMTCģҵURLLC˼ʻҵԶҪʱӡ߿ɿӵҵ
ݽ3GWCDMAcdma2000TD-SCDMAʵӦУҪWCDMA4GֻһLTEźŴΪFDDFrequency Division DuplexingƵ˫ԳƵĶŵһ´ϢһϴϢTDDTime Division Duplexingʱ˫ͽźͬһƵŵIJͬʱ϶неģ˴֮һı֤ʱԷ롣ĿǰƶTDDûӪ̴ģTDDTDDFDD3Gʱľ蹵ȫͬ
5GΪƵļ뷽ȷΪeMBB(ǿƶ)Ŀŵ뷽棬5GôȿӦá
5GƵΣڵƵѾ꣬Ŀǰ2GhzҵƵߣôվܶȻߣڷdzкĸɵġ
ô4G5Gʲôأ4Gٶȿ100M-600MҲ12.5MB/s-50MB/sǴʵʹÿһ㳣õĸֵҲǼMB/sٵЧԼͬ20Mһ˿ܼĻ᳡ʵʺõҲǼKB/sٶȡ5GٶȽƣʹ˿ܼĵҲܴﵽMB/sЧҲǸƵ߲š
ǵڣƵʵδܵ2G/4G/5GرĿǰ4GظʹźŲõĸǵĵƵ4Gкܴķչռ䡣Թδҹ5GãȽ5GڴгĿǰĺҵ㳡Ȳ𣬴δɱ½Ѱиǣ㷺ʱά4Gǡ
ĵַ:http://www.cnonline.org/2017/article/12149.html